{"id":7160,"date":"2023-04-12T15:50:22","date_gmt":"2023-04-12T15:50:22","guid":{"rendered":"https:\/\/www.bergtecinternational.com\/equipment-for-water-industry-and-roads\/water-regulation\/penstock-valve-non-return-valve\/clapet-anti-retour-ruk\/"},"modified":"2023-09-27T09:13:32","modified_gmt":"2023-09-27T09:13:32","slug":"flap-valve","status":"publish","type":"page","link":"https:\/\/www.bergtecinternational.com\/en\/equipment-water-public-works-industry\/water-management\/penstock-weir-gate-non-return-valve\/flap-valve\/","title":{"rendered":"FLAP VALVE \/ NON RETURN VALVE"},"content":{"rendered":"

[vc_row][vc_column][vc_custom_heading text=”Expert since 1970″ font_container=”tag:h3|font_size:26|text_align:center|color:%2341b6e6″ use_theme_fonts=”yes” el_class=”our_services_heading1″][vc_custom_heading text=”Square or round flap-valves” font_container=”tag:h2|font_size:38|text_align:center|color:%23000000″ use_theme_fonts=”yes” el_class=”our_services_heading2″ css=”.vc_custom_1694008162244{margin-bottom: 30px !important;}”][vc_custom_heading text=”” font_container=”tag:div|font_size:22|text_align:center|color:%23555555″ use_theme_fonts=”yes” css=”.vc_custom_1666024447676{margin-bottom: 40px !important;}”][\/vc_column][\/vc_row][vc_row][vc_column][vc_tta_tour style=”modern” shape=”square” color=”white” spacing=”10″ gap=”30″ active_section=”1″ no_fill_content_area=”true” css=”.vc_custom_1664632912749{background-color: #ffffff !important;}”][vc_tta_section i_icon_fontawesome=”far fa-file-alt” add_icon=”true” title=”Description” tab_id=”descriptiond4b9-f0b088bf-e201af35-5802″][vc_row_inner][vc_column_inner][vc_column_text]<\/p>\n

1 – Scope of use : <\/strong><\/h3>\n

Backflow blocking for round or rectangular openings, work for gravity networks.<\/span><\/p>\n

2 –<\/strong>Technical characteristics<\/span>\u00a0:<\/strong><\/h3>\n

Mechanically welded assembly to be bolted against the concrete wall (bolts an nuts included)<\/span><\/p>\n

Sealing ensured by a profiled seal screwed onto the cover plate.<\/span><\/p>\n

3 – Dimensions – on demand:<\/strong><\/h3>\n

From DN 100 to DN 2000 mm or square 600 x 600 to \u00a02000 x 2000 mm.<\/p>\n

Larger dimensions on\u00a0<\/b>demand<\/b>.<\/b><\/p>\n

4 – Model available:<\/b><\/h3>\n
    \n
  • Flap-valve with straight cover plate type R\u00dcK 1 for \u00a0DN < 500mm<\/li>\n
  • Flap-valve with straight cover plate type R\u00dcK 2 for DN > 500mm<\/li>\n
  • Flap-valve with \u00a0rounded-convex cover plate type R\u00dcK 2E<\/li>\n
  • Flap-valve with \u00a0rounded-convex hollow cover plate type R\u00dcK\u00a0 2S<\/li>\n
  • Flap-valve with counterweight type R\u00dcK\u00a0 2G<\/li>\n
  • Flap-valve with hollow cover plate and shock absorber type R\u00dcK SD.<\/li>\n<\/ul>\n

    Use:<\/strong>back flow blocking overpressure pumping lines. Shock absorber designed to reduce the shocks occurring when the pump is switched off.<\/p>\n

    To suit DN 250 to DN 2000 mm.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section i_icon_fontawesome=”fas fa-chess-board” add_icon=”true” title=”Material” tab_id=”material”][vc_custom_heading text=”Material” font_container=”tag:h3|font_size:20px|text_align:left” use_theme_fonts=”yes” css=”.vc_custom_1693554910862{margin-bottom: 20px !important;}”][vc_column_text]<\/p>\n

    The materials used in the basic version for the various equipment and accessories are as follows:<\/span><\/p>\n

    1 – Frame and cover plate<\/b><\/h3>\n\n\n\n\n\n\n\n
    Steel \u2013 galvanized<\/td>\n(St-37)<\/td>\nDIN 1.0037<\/td>\n<\/tr>\n
    Stainless steel<\/td>\n(304)<\/td>\nDIN 1.4301<\/td>\n<\/tr>\n
    Stainless steel<\/td>\n(316TI)<\/td>\n\u00a0DIN 1.4571<\/td>\n<\/tr>\n
    Aluminium<\/td>\n(AlMg3)<\/td>\n\u00a0DIN 3.3535<\/td>\n<\/tr>\n
    Cast iron<\/td>\n(GG25)<\/td>\n\u00a0DIN GJL250<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Other material on request<\/b><\/p>\n

    2 – Bolst and nuts<\/b><\/h3>\n

    Stainless steel V4A<\/p>\n

    3 – Sealant gaskets<\/b><\/h3>\n

    EPDM \/ APTK<\/p>\n

    4 – Tiges<\/b> filet\u00e9es<\/b><\/h3>\n\n\n\n\n\n
    Acier inoxydable<\/td>\n(V2A)<\/td>\nN\u00b0 mat\u00e9riau DIN 1.4104<\/td>\n<\/tr>\n
    Acier inoxydable<\/td>\n(V2A)<\/td>\nN\u00b0 mat\u00e9riau DIN 1.4301<\/td>\n<\/tr>\n
    Acier inoxydable<\/td>\n(316TI)<\/td>\nN\u00b0 mat\u00e9riau DIN 1.4571<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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    [vc_row][vc_column][vc_custom_heading text=”Expert since 1970″ font_container=”tag:h3|font_size:26|text_align:center|color:%2341b6e6″ use_theme_fonts=”yes” el_class=”our_services_heading1″][vc_custom_heading text=”Square or round flap-valves” font_container=”tag:h2|font_size:38|text_align:center|color:%23000000″ use_theme_fonts=”yes” el_class=”our_services_heading2″ css=”.vc_custom_1694008162244{margin-bottom: 30px !important;}”][vc_custom_heading text=”” font_container=”tag:div|font_size:22|text_align:center|color:%23555555″ use_theme_fonts=”yes” […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":7127,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-7160","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bergtecinternational.com\/en\/wp-json\/wp\/v2\/pages\/7160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bergtecinternational.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bergtecinternational.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bergtecinternational.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bergtecinternational.com\/en\/wp-json\/wp\/v2\/comments?post=7160"}],"version-history":[{"count":0,"href":"https:\/\/www.bergtecinternational.com\/en\/wp-json\/wp\/v2\/pages\/7160\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.bergtecinternational.com\/en\/wp-json\/wp\/v2\/pages\/7127"}],"wp:attachment":[{"href":"https:\/\/www.bergtecinternational.com\/en\/wp-json\/wp\/v2\/media?parent=7160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}